diff --git a/.agents/rules/pr.md b/.agents/rules/pr.md
index 9e5fa9df88..ae75aa34fe 100644
--- a/.agents/rules/pr.md
+++ b/.agents/rules/pr.md
@@ -16,9 +16,10 @@ Before drafting any pull request description, strictly adhere to the rules in
 
 ## Commit & PR Types
 * `fix:` / `feat:`: User-visible changes ONLY.
-* `build:` / `build(release):`: Internal release tooling, developer workflows,
-  and build scripts (prefer `build(release):` over `chore:` or `tools:`, since
-  `tools:` could be ambiguous with production tools).
+* `build:` / `build(release):`: Internal release tooling
+  (`tools/private/release/`), developer workflows, and build scripts. Always
+  prefer `build(release):` over `chore:` or `chore(release):`.
+* `docs:`: Documentation and issue templates (`.github/ISSUE_TEMPLATE/`).
 * `ci:`: `.bazelci` and Buildkite CI configurations.
 * `workflow:` / `workflows:`: GitHub Actions workflow configurations
   (`.github/workflows/`).